Again: howcited and shorttitle

Because I liked that language so much, I wrote my last message in German. I am sorry 
about my fringeless egoism...

Unfortunately jurabib always quotes the short(title) in footnotes, even though an author is 
just cited with one writing.

this is the head of my tex file (basically the example of Kai-Steffen Schlink with just few 
modifications):



\documentclass[widefront]{jura}
\usepackage{ngerman}
\usepackage[latin1]{inputenc}
\usepackage[bibformat=compress, cofirstsep=in, pages=format,
 authorformat=smallcaps, titleformat=italic, titleformat=all,
 titleformat=commasep, howcited=normal, commabeforerest]{jurabib}
\usepackage[a4paper, nohead, bottom=3cm]{geometry}
\usepackage{url}
\usepackage[T1]{fontenc}
\usepackage{eurosym}
\usepackage{eulervm}
\usepackage{ae}
\jurabibsetup{dotafter=bibentry, annotatorlastsep=divis}

\tolerance=1000

\emergencystretch=20pt

\formatpages[, ][]{article}{}{}

\makeatletter
\renewcommand\@makefntext[1]{%
   \setlength{\hangindent}{2em}
   \noindent
   \hb@xt@\hangindent{%
      \hss\@textsuperscript{\normalfont\@thefnmark}\hspace{.1em}}#1}
\makeatother

\begin{document}

----


this is a bib-entry:

@BOOK{schwab,
  author = {Martin Schwab and Carl-Heinz Witt},
  title = {Einf\"uhrung in das neue Schuldrecht},
  address = {M\"unchen},
  shorttitle = {SchuldR},
  howcited = 1
}

there's no more writings of Schwab/Witt in my bib file. 

I prefer doing quotes with \footcite[§ y Rn. X]{schwab} 

....

I don't want it to show "SchuldR" in the footnote. Obviously I do something wrong.